CN102944068A - Gas water heater with water cutoff temperature rise prevention function - Google Patents
Gas water heater with water cutoff temperature rise prevention function Download PDFInfo
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- CN102944068A CN102944068A CN2012104543883A CN201210454388A CN102944068A CN 102944068 A CN102944068 A CN 102944068A CN 2012104543883 A CN2012104543883 A CN 2012104543883A CN 201210454388 A CN201210454388 A CN 201210454388A CN 102944068 A CN102944068 A CN 102944068A
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Abstract
The invention relates to a gas water heater with a water cutoff temperature rise prevention function. The gas water heater comprises a heat exchanger, a main controller, a cold water temperature measuring component, a cold water flow rate sensor, a hot water proportional valve, a water outlet temperature measuring component, a cold water inlet pipe and a hot water outlet pipe, wherein a cold water pipe and a hot water pipe are arranged on the heat exchanger, and the cold water flow rate sensor is arranged on the cold water pipe. The gas water heater has the main technical characteristic that the gas water heater also comprises a bypass pipe, a bypass water proportional valve, a bypass water flow rate sensor, a hot water temperature measuring component and a water cutoff temperature rise controller, wherein the bypass pipe is communicated with the cold water pipe and the hot water pipe, the bypass water proportional valve and the bypass water flow rate sensor are arranged on the bypass pipe, the hot water temperature measuring component is arranged on the hot water pipe, the cold water temperature measuring component is arranged on the cold water pipe or the bypass pipe, and the water cutoff temperature rise controller is electrically connected with the bypass water proportional value, the bypass water flow rate sensor, the hot water temperature measuring component and the main controller. The gas water heater has the characteristics that the water cutoff temperature rise of the gas water heater can be effectively avoided, the outlet water temperature is vey stable, the use comfort is improved, the harm of residual hot water to the health of users is avoided, and the like.
Description
Technical field
The present invention relates to a kind of gas heater without water cut-off temperature-rising.
Background technology
In the prior art, water cut-off temperature-rising refers to after water heater uses a few minutes, closed depotition cock 1 minute, when again opening the hot water tap, (GB6932-2001) water cut-off temperature-rising of middle clear water heater must not be greater than 18K for the number of degrees that the temperature of hot water out raises than original temperature, GB " domestic gas instantaneous water heater ".
The reason that water cut-off temperature-rising produces is that water heater suspends when using midway, the hot water that is detained in the heat exchanger water pipe can absorb the waste heat of heat exchanger shell and fin and continue to heat up, cause water temperature to exceed design temperature, when particularly large load burnt, water temperature raise more obvious.When client opens use in the short time again, the high-temperature-hot-water of this burst delay that water heater is at first discharged, and high-temperature-hot-water easily causes scaring and puzzlement to the user, also easily cause scald, cause the water cut-off temperature-rising that has gas heater to reduce the comfortableness of using, even the defective such as harm user health.For overcoming these defectives, the gas heater without water cut-off temperature-rising is improved.
Summary of the invention
Technical problem to be solved by this invention is that a kind of gas heater without water cut-off temperature-rising will be provided, it can avoid the water cut-off temperature-rising of gas heater effectively, make leaving water temperature comparatively stable, improved the comfortableness of using, avoided being detained hot water harm user's health.
The technical scheme that the present invention solves its technical problem employing is:
It comprises heat exchanger, master controller, the cold water temperature-measuring part, the cold water flow sensor, the hot water proportioning valve, the water outlet temperature-measuring part, advance cold water pipe, the hot-water outlet pipe, heat exchanger is provided with cold water pipe and hot-water line, the cold water flow installation of sensors is on cold water pipe, the hot water proportioning valve is installed on the hot-water line, the water outlet temperature-measuring part is installed on the hot-water outlet pipe, master controller and cold water temperature-measuring part, the cold water flow sensor, the hot water proportioning valve, the hot water temperature-measuring part electrically connects, it also comprises the bypass pipe that is communicated with cold water pipe and hot-water line, be arranged on bypass water proportioning valve and bypass water flow sensor on the bypass pipe, the hot water temperature-measuring part, the water cut-off temperature-rising controller, the hot water temperature-measuring part is installed on the hot-water line, the cold water temperature-measuring part is installed on the cold water pipe or on the bypass pipe, water cut-off temperature-rising controller and bypass water proportioning valve, the bypass water flow sensor, the hot water temperature-measuring part, master controller electrically connects.
The water cut-off temperature-rising controller comprises bypass water proportioning valve drive circuit, bypass water flow sensor testing circuit, hot water temperature measurement circuit, bypass water proportioning valve drive circuit and bypass water proportioning valve electrically connect, bypass water flow sensor testing circuit and bypass water flow sensor electrically connect, and hot water temperature measurement circuit and hot water temperature-measuring part electrically connect.
Master controller comprises water outlet temperature measurement circuit, hot water proportioning valve drive circuit, cold water flow testing circuit, cold water temperature measurement circuit, water outlet temperature measurement circuit and water outlet temperature-measuring part electrically connect, hot water proportioning valve drive circuit and hot water proportioning valve electrically connect, the cold water flow testing circuit connects with the cold water flow sensor electrical, and cold water temperature measurement circuit and cold water temperature-measuring part electrically connect.
It also comprises the cold water three-way pipe, bypass pipe by the cold water three-way pipe with cold water pipe, advance cold water pipe and be communicated with.
It also comprises the hot water three-way pipe, and bypass pipe is communicated with hot-water line, hot-water outlet pipe by the hot water three-way pipe.
Cold water temperature-measuring part, hot water temperature-measuring part, water outlet temperature-measuring part are temperature-sensing probe or temperature sensor.
The present invention compares the beneficial effect that produces with background technology:
1; because the present invention adopts the bypass pipe that is communicated with cold water pipe and hot-water line; be arranged on bypass water proportioning valve and bypass water flow sensor on the bypass pipe; the hot water temperature-measuring part; the water cut-off temperature-rising controller; the hot water temperature-measuring part is installed on the hot-water line; the cold water temperature-measuring part is installed on the cold water pipe or on the bypass pipe; water cut-off temperature-rising controller and bypass water proportioning valve; the bypass water flow sensor; the hot water temperature-measuring part; the structure that master controller electrically connects; when client shuts down again unlatching use in the short time; aperture by master controller and water cut-off temperature-rising controller control hot water proportioning valve and bypass water proportioning valve; corresponding cold water is mixed with the hot water of delay; therefore it can avoid the water cut-off temperature-rising of gas heater effectively; make leaving water temperature comparatively stable; improve the comfortableness of using, avoided being detained hot water harm user's health.
Description of drawings: Fig. 1 is structural representation of the present invention.
Fig. 2 is that circuit of the present invention connects schematic diagram.
Fig. 3 is that the circuit of water cut-off temperature-rising controller 15 among Fig. 2 connects schematic diagram.
Fig. 4 is that the circuit of master controller 1 among Fig. 2 connects schematic diagram.
The specific embodiment: referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in the accompanying drawing 4, the present embodiment comprises heat exchanger 3, master controller 1, bypass pipe 2, cold water flow sensor 8, bypass water flow sensor 9, hot water proportioning valve 10, bypass water proportioning valve 11, cold water temperature-measuring part 12, hot water temperature-measuring part 13, water outlet temperature-measuring part 14, advance cold water pipe 16, the hot-water outlet pipe 17, heat exchanger 3 is provided with cold water pipe 4 and hot-water line 5, cold water flow sensor 8 is installed on the cold water pipe 4, hot water proportioning valve 10 and hot water temperature-measuring part 13 are installed on the hot-water line 5, water outlet temperature-measuring part 14 is installed on the hot-water outlet pipe 17, master controller 1 and cold water temperature-measuring part 12, cold water flow sensor 8, hot water proportioning valve 10, water outlet temperature-measuring part 14 electrically connects, bypass pipe 2 is communicated with cold water pipe 4 and hot-water line 5, bypass water proportioning valve 11 and bypass water flow sensor 9 are installed on the bypass pipe 2, hot water temperature-measuring part 13 is installed on the hot-water line 5, cold water temperature-measuring part 12 is installed on the cold water pipe 4 or on the bypass pipe 2, water cut-off temperature-rising controller 15 and bypass water proportioning valve 11, bypass water flow sensor 9, hot water temperature-measuring part 13, master controller 1 electrically connects.
Water cut-off temperature-rising controller 15 comprises bypass water proportioning valve drive circuit 20, bypass water flow sensor testing circuit 19, hot water temperature measurement circuit 18, bypass water proportioning valve drive circuit 20 electrically connects with bypass water proportioning valve 11, bypass water flow sensor testing circuit 19 electrically connects with bypass water flow sensor 9, and hot water temperature measurement circuit 18 electrically connects with hot water temperature-measuring part 13.
When client shuts down again unlatching use in the short time; the hot water temperature that the cold water temperature that water heater master controller 1 detects according to client's design temperature and cold water temperature-measuring part 12 and hot water temperature-measuring part 13 detect; automatically regulate aperture and the burning load of hot water proportioning valve 10 and bypass water proportioning valve 11; the aperture that is master controller 1 control hot water proportioning valve 10 turns down; correspondingly controlling simultaneously the aperture of bypass water proportioning valve 11 opens greatly; after making this burst delay high-temperature-hot-water of at first discharging reduce flow velocity; with cold water mix, the temperature that water outlet temperature-measuring part 14 is detected is reduced to client's design temperature.
In the prior art since again igniting be heated to leaving water temperature and arranged between stable a bit of time difference, and just ignition of burner, the water of heating does not also reach user's design temperature in the short time.There is the more time to absorb heat to improve water temperature because of the formed a bit of cold water of lighting a fire again among the present invention, in the process of this adjusting, the hot water temperature that the cold water temperature that master controller 1 ceaselessly detects according to client's design temperature and cold water temperature-measuring part 12 and hot water temperature-measuring part 13 detect, adjust aperture and the burning load of hot water proportioning valve 10 and bypass water proportioning valve 11, until the temperature stabilization that water outlet temperature-measuring part 14 detects, thereby the hot water temperature that water heater is flowed out is constant in design temperature, it can avoid the water cut-off temperature-rising of gas heater effectively, make leaving water temperature comparatively stable, avoid being detained the risk of hot water harm user health, effectively improved comfort level and the security of using hot water.
Claims (10)
1. gas heater without water cut-off temperature-rising, it comprises heat exchanger (3), master controller (1), cold water temperature-measuring part (12), cold water flow sensor (8), hot water proportioning valve (10), water outlet temperature-measuring part (14), advance cold water pipe (16), hot-water outlet pipe (17), heat exchanger (3) is provided with cold water pipe (4) and hot-water line (5), cold water flow sensor (8) is installed on the cold water pipe (4), hot water proportioning valve (10) is installed on the hot-water line (5), water outlet temperature-measuring part (14) is installed on the hot-water outlet pipe (17), master controller (1) and cold water temperature-measuring part (12), cold water flow sensor (8), hot water proportioning valve (10), water outlet temperature-measuring part (14) electrically connects, it is characterized in that it also comprises the bypass pipe (2) that is communicated with cold water pipe (4) and hot-water line (5), be arranged on bypass water proportioning valve (11) and bypass water flow sensor (9) on the bypass pipe (2), hot water temperature-measuring part (13), water cut-off temperature-rising controller (15), hot water temperature-measuring part (13) is installed on the hot-water line (5), cold water temperature-measuring part (12) is installed on the upper or bypass pipe (2) of cold water pipe (4), water cut-off temperature-rising controller (15) and bypass water proportioning valve (11), bypass water flow sensor (9), hot water temperature-measuring part (13), master controller (1) electrically connects.
2. the gas heater without water cut-off temperature-rising according to claim 1, it is characterized in that described water cut-off temperature-rising controller (15) comprises bypass water proportioning valve drive circuit (20), bypass water flow sensor testing circuit (19), hot water temperature measurement circuit (18), bypass water proportioning valve drive circuit (20) electrically connects with bypass water proportioning valve (11), bypass water flow sensor testing circuit (19) electrically connects with bypass water flow sensor (9), and hot water temperature measurement circuit (18) electrically connects with hot water temperature-measuring part (13).
3. the gas heater without water cut-off temperature-rising according to claim 1 and 2, it is characterized in that described master controller (1) comprises water outlet temperature measurement circuit (21), hot water proportioning valve drive circuit (22), cold water flow testing circuit (23), cold water temperature measurement circuit (24), water outlet temperature measurement circuit (21) electrically connects with water outlet temperature-measuring part (14), hot water proportioning valve drive circuit (22) electrically connects with hot water proportioning valve (10), cold water flow testing circuit (23) electrically connects with cold water flow sensor (8), and cold water temperature measurement circuit (24) electrically connects with cold water temperature-measuring part (12).
4. the gas heater without water cut-off temperature-rising according to claim 1 and 2 is characterized in that it also comprises cold water three-way pipe (6), bypass pipe (2) by cold water three-way pipe (6) with cold water pipe (4), advance cold water pipe (16) and be communicated with.
5. the gas heater without water cut-off temperature-rising according to claim 3 is characterized in that it also comprises cold water three-way pipe (6), bypass pipe (2) by cold water three-way pipe (6) with cold water pipe (4), advance cold water pipe (16) and be communicated with.
6. the gas heater without water cut-off temperature-rising according to claim 1 and 2 is characterized in that it also comprises hot water three-way pipe (7), and bypass pipe (2) is communicated with hot-water line (5), hot-water outlet pipe (17) by hot water three-way pipe (7).
7. the gas heater without water cut-off temperature-rising according to claim 5 is characterized in that it also comprises hot water three-way pipe (7), and bypass pipe (2) is communicated with hot-water line (5), hot-water outlet pipe (17) by hot water three-way pipe (7).
8. the gas heater without water cut-off temperature-rising according to claim 1 and 2 is characterized in that described cold water temperature-measuring part (12), hot water temperature-measuring part (13), water outlet temperature-measuring part (14) are temperature-sensing probe or temperature sensor.
9. the gas heater without water cut-off temperature-rising according to claim 3 is characterized in that described cold water temperature-measuring part (12), hot water temperature-measuring part (13), water outlet temperature-measuring part (14) are temperature-sensing probe or temperature sensor.
10. the gas heater without water cut-off temperature-rising according to claim 7 is characterized in that described cold water temperature-measuring part (12), hot water temperature-measuring part (13), water outlet temperature-measuring part (14) are temperature-sensing probe or temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104543883A CN102944068A (en) | 2012-11-14 | 2012-11-14 | Gas water heater with water cutoff temperature rise prevention function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104543883A CN102944068A (en) | 2012-11-14 | 2012-11-14 | Gas water heater with water cutoff temperature rise prevention function |
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| CN102944068A true CN102944068A (en) | 2013-02-27 |
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| CN2012104543883A Pending CN102944068A (en) | 2012-11-14 | 2012-11-14 | Gas water heater with water cutoff temperature rise prevention function |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas water heater control method and constant-temperature gas water heater |
| CN104930692A (en) * | 2015-06-29 | 2015-09-23 | 广东万和新电气股份有限公司 | Gas water heater, control method thereof and waterway pipe network |
| CN105953406A (en) * | 2016-06-03 | 2016-09-21 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN109059290A (en) * | 2018-07-20 | 2018-12-21 | 广东万和热能科技有限公司 | A kind of condensed type combustion gas is warm to bathe dual-purpose stove and its control method |
| CN109612074A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of gas heater of the bypass pipe with water transfer proportioning valve |
| CN110579023A (en) * | 2018-06-11 | 2019-12-17 | 芜湖美的厨卫电器制造有限公司 | Wall-mounted boiler water path circulation control method, device and system |
| CN111043752A (en) * | 2019-12-09 | 2020-04-21 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN111426051A (en) * | 2020-03-25 | 2020-07-17 | 华帝股份有限公司 | Gas water heater with current limiting device and control method thereof |
| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN111692743A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange equipment |
| CN111964267A (en) * | 2020-07-09 | 2020-11-20 | 华帝股份有限公司 | Water heater and control method thereof |
| CN114636248A (en) * | 2020-12-01 | 2022-06-17 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with scald-proof function and control method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344046B (en) * | 2013-06-28 | 2018-07-20 | 海尔集团公司 | Constant-temperature gas water heater control method and constant-temperature gas water heater |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas water heater control method and constant-temperature gas water heater |
| CN104930692A (en) * | 2015-06-29 | 2015-09-23 | 广东万和新电气股份有限公司 | Gas water heater, control method thereof and waterway pipe network |
| CN105953406A (en) * | 2016-06-03 | 2016-09-21 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN110579023B (en) * | 2018-06-11 | 2024-01-16 | 芜湖美的厨卫电器制造有限公司 | Control method, device and system for waterway circulation of wall-mounted furnace |
| CN110579023A (en) * | 2018-06-11 | 2019-12-17 | 芜湖美的厨卫电器制造有限公司 | Wall-mounted boiler water path circulation control method, device and system |
| CN109059290A (en) * | 2018-07-20 | 2018-12-21 | 广东万和热能科技有限公司 | A kind of condensed type combustion gas is warm to bathe dual-purpose stove and its control method |
| CN109059290B (en) * | 2018-07-20 | 2024-05-14 | 广东万和热能科技有限公司 | Condensing type gas heating and bathing dual-purpose furnace and control method thereof |
| CN109612074A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of gas heater of the bypass pipe with water transfer proportioning valve |
| CN111692743A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange equipment |
| CN111043752A (en) * | 2019-12-09 | 2020-04-21 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN111426051A (en) * | 2020-03-25 | 2020-07-17 | 华帝股份有限公司 | Gas water heater with current limiting device and control method thereof |
| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN111964267A (en) * | 2020-07-09 | 2020-11-20 | 华帝股份有限公司 | Water heater and control method thereof |
| CN111964267B (en) * | 2020-07-09 | 2024-02-23 | 华帝股份有限公司 | Water heater and control method thereof |
| CN114636248A (en) * | 2020-12-01 | 2022-06-17 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with scald-proof function and control method thereof |
| CN114636248B (en) * | 2020-12-01 | 2023-10-20 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with scalding prevention function and control method thereof |
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Application publication date: 20130227 |